CN206781601U - A kind of huge discharge drainage car - Google Patents
A kind of huge discharge drainage car Download PDFInfo
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- CN206781601U CN206781601U CN201621454933.9U CN201621454933U CN206781601U CN 206781601 U CN206781601 U CN 206781601U CN 201621454933 U CN201621454933 U CN 201621454933U CN 206781601 U CN206781601 U CN 206781601U
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Abstract
It the utility model is related to a kind of huge discharge drainage car, by driver's cabin, automobile chassis, engine in situ, assistant engine, hydraulic oil container, rotating disk, pipeline rotary reversing device, outlet pipe, drinking-water pipe and two water inlet pipe compositions, assistant engine and hydraulic oil container are installed in automobile chassis close to one end of driver's cabin, rotating disk is rotatably arranged on the automobile chassis other end, and rotated horizontally by fluid motor-driven, pipeline rotary reversing device is arranged on rotating disk and rotated by driven by rotary disc, outlet pipe is connected by pipeline rotary reversing device with two water inlet pipes, what two water inlet pipe one end can longitudinally rotate is arranged on pipeline rotary reversing device, two water inlet pipe other ends are rotatablely connected by rotating section header with drinking-water pipe one end, the drinking-water pipe other end is provided with immersible pump and is used to draw water.The utility model complete vehicle quality is reasonably distributed, balance is good, and draining radius and vertical height are big, and pipeline rotation commutation is flexible, stationarity is good, and the power of abundance can be provided for each equipment.
Description
Technical field
It the utility model is related to drainage car technical field, more particularly to a kind of hydraulic pressure huge discharge drainage car.
Background technology
The engineer applied of drainage car is very extensive, can be played an important role in terms of disaster relief and rescue.Drainage car is one
Special vehicle of the kind for rescue and relief work, played an important role in terms of disaster relief and rescue.Existing can realize is arranged over long distances
The drainage car of water, one kind are that water pumper is set as drinking-water pipe and on vehicle chassis by the use of flexible water pipe, then when in use will
Drinking-water pipe is reached in the water to be arranged, is drawn water using water pumper and draining, and the flexible pipe structure of this remote drainage car is complicated,
Cost is high, and the distance of draining is limited；Another kind is to utilize other machinery equipment（Such as arm）By draining pump across obstacle or far
Distance is put into the water to be arranged, and this remote drainage car is big to the dependence of other Aided Machines, and cost is high, and use is not square
Just.
At present, there is such a big flow drainage car in drainage car technical field, its by automobile chassis, outlet pipe,
Drinking-water pipe, immersible pump, rotation section header, two water inlet pipes, large diameter pipeline rotating device, assistant engine, hydraulic jack, rotating disk dress
Put, fuel tank and tool box composition, the rotating-table apparatus, fuel tank and tool box are arranged on automobile chassis, the outlet pipe, taken out
Water pipe, immersible pump, rotation section header, two water inlet pipes, large diameter pipeline rotating device, assistant engine and hydraulic jack are installed in
On rotating-table apparatus, large diameter pipeline rotating device is arranged in the middle part of rotating-table apparatus, and assistant engine is arranged on rotating-table apparatus afterbody, gone out
Water pipe is placed in large diameter pipeline rotating device, and the water inlet end of outlet pipe is connected by two water inlet pipes with rotation section header both ends,
The water inlet end of swivel centriciput is connected by the port of export of drinking-water pipe and immersible pump, and hydraulic jack lower end is anterior with rotating-table apparatus
Connection, hydraulic jack upper end are connected with water inlet pipe, and hydraulic jack is also associated between water inlet pipe and drinking-water pipe, and immersible pump is also logical
Support is crossed to be connected with automobile chassis.For the ease of carrying out draining, it is remote that rotating-table apparatus is typically arranged on automobile chassis
The tail end of driver's cabin, however, the big flow drainage car of said structure, due to being mounted with rotating-table apparatus including assistant engine
Various equipment, not only resulting in rotating-table apparatus, to rotate energy consumption big, but also has that vehicle tail quality is excessive, brake system is unstable
It is fixed, easily produce the various problems because caused by complete vehicle quality distribution is uneven such as sliding after rotational wobble, climbing；It is in addition, above-mentioned
The big flow drainage car of structure, due to assistant engine is arranged on into rotating-table apparatus afterbody, also result in draining radius and work
Industry vertical height reduces.
The content of the invention
The purpose of this utility model is in view of the shortcomings of the prior art, there is provided a kind of reasonable in design, complete vehicle quality distribution
Rationally, balance is good, and draining radius, operation vertical height are big, the huge discharge row that pipeline rotation commutation is flexible, stationarity is good
Waterwheel.
To achieve the above object, the utility model uses following technical scheme：
A kind of huge discharge drainage car, by driver's cabin, automobile chassis, engine in situ, assistant engine, hydraulic oil container, rotating disk,
Pipeline rotary reversing device, outlet pipe, drinking-water pipe and two water inlet pipe compositions, the assistant engine and hydraulic oil container are installed in
For automobile chassis close to one end of driver's cabin, the rotating disk is rotatably arranged on the automobile chassis other end, and is driven by hydraulic motor
Dynamic to rotate horizontally, the pipeline rotary reversing device is arranged on rotating disk and rotated by driven by rotary disc, and the outlet pipe passes through pipe
Road rotary reversing device connects with two water inlet pipes, and what described two water inlet pipe one end can longitudinally rotate changes installed in pipeline rotation
To on device, two water inlet pipe other ends are rotatablely connected by rotating section header with drinking-water pipe one end, and the drinking-water pipe other end is provided with latent
Water pump is used to draw water.
The pipeline rotary reversing device includes T-shaped three-way pipe and two side pipes, the T-shaped three-way pipe by transverse tube and with
The vertical tube of vertical connection is formed in the middle part of transverse tube, and the riser middle, which is fixed, to be located in rotating disk and rotated by driven by rotary disc, vertical tube
Bottom is rotatablely connected with outlet pipe, and the transverse tube both ends are rotatablely connected by rotary flange and two side pipe one end respectively, two
The side pipe other end is closed, and water inlet is respectively equipped with the side wall of two side pipes and is connected with two water inlet pipe one end.
The outlet pipe is provided with snap joint at least provided with a delivery port, water outlet.The design substantially increases out
The convenience of water connection and flexibility.
The outlet pipe is provided with three delivery ports, and one of delivery port is arranged on automobile chassis other end end face, separately
Outer two delivery ports are separately positioned on automobile chassis other end both sides.
Described two side pipe other ends are closed by detachable end.The design makes it to open end cap row as needed
Water.
The vertical tube is coaxially disposed with rotating disk；It is provided between described rotating disk and water inlet pipe one end and is used to drive water inlet pipe around rotation
The first hydraulic jack that turned flange longitudinally rotates, between the water inlet pipe other end and drinking-water pipe one end be provided be used for drive drinking-water pipe around
The second hydraulic jack that rotation section header longitudinally rotates.The design can improve pipeline rotation, the stationarity of upset commutation so that draw water
Pipe can be in the driving lower edge longitudinal direction flexible rotating pitching of hydraulic jack with immersible pump.
The automobile chassis both sides are equipped with several telescopic support legs, and several telescopic support legs are propped up by several respectively
Leg hydraulic oil cylinder driving is stretched.
Gearbox one end of the automobile chassis is provided with the first plunger pump and the first power takeoff, and first plunger pump passes through
First power takeoff is connected with engine in situ, and the first plunger pump oil inlet is connected with hydraulic oil container, and the first plunger pump is fuel-displaced
Mouth is connected with hydraulic motor, the first hydraulic jack, the second hydraulic jack and several support oil cylinders respectively by banked direction control valves.Should
Using drainage car, much idle engine in situ in draining provides power for plunger pump for design, so that plunger pump is
Each hydraulic system provides hydraulic power and supported, so that engine in situ is fully utilized.
The flywheel upper shell of the automobile chassis is provided with Full-power takeoff and the second plunger pump, the Full-power takeoff
Input shaft is connected with engine in situ, and Full-power takeoff output shaft is connected by power transmission shaft with the second plunger pump, and second
Plunger pump oil inlet is connected with hydraulic oil container, and the second plunger pump oil-out is connected with pressure regulator valve, pressure regulation valve outlet respectively with automobile
Several hydraulic quick couplings connection that chassis is provided with.
The automobile chassis is provided with several moveable portable liquid pressure water pumps, several portable liquid pressure water pumps point
It is not detachably connected with hydraulic quick coupling.
The automobile chassis is provided with three-throw ram pump, and the assistant engine is connected by shaft coupling with three-throw ram pump,
Three-throw ram pump oil inlet is connected with hydraulic oil container, and three-throw ram pump oil-out passes through hydraulic oil pipe and the hydraulic motor of immersible pump
Connection.
The utility model uses above technical scheme, breaches the inertia that assistant engine is arranged on rotating-table apparatus by tradition
Thinking, assistant engine being arranged on automobile chassis close to one end of driver's cabin so that the distribution of drainage car complete vehicle quality is more reasonable,
Rotating-table apparatus can not only be reduced and rotate energy consumption, and automobile chassis other end quality can be mitigated, avoid result in brake system
The problems such as sliding after unstable, easy generation pipeline rotational wobble, climbing, while draining radius can also be improved and operation is hung down
Straight height, so as to expand the job area of drainage car；In addition, engine in situ can not only be caused to pass through Full-power takeoff
The second plunger pump is driven, the second plunger pump drives moveable some respectively by pressure regulator valve and several hydraulic quick couplings again
Individual portable liquid pressure water pump, a set of independent drainage system is formed, and enable to assistant engine to pass through shaft coupling driving the
Three-throw ram pump, three-throw ram pump drive immersible pump by hydraulic oil pipe, form another set of independent drainage system, so as to fully sharp
With the space that drainage car is limited, the maximization of displacement is realized.More than pipeline rotary reversing device of the present utility model uses
Technical scheme, the riser middle, which is fixed, to be located in rotating disk and is rotated by driven by rotary disc, and vertical tube bottom turns with outlet pipe one end
Dynamic connection, the design enables vertical tube to be rotated in place under the drive of rotating disk, so as to drive the horizontal stroke being connected with its top
Two side pipes manage, being connected with transverse tube both ends, two water inlet pipes being connected with two side pipes can be rotated horizontally smoothly, effectively
Rocking when reducing pipeline rotation commutation, the stability of vehicle is improved, and outlet pipe one end is to rotate to connect with vertical tube bottom
Connect so that outlet pipe may be mounted at the relatively low positions such as automobile chassis lower section, consequently facilitating the outlet pipe other end
Quick, convenient connection；The transverse tube both ends are rotatablely connected by rotary flange and two side pipe one end respectively, and two side pipes are another
One end is closed, and water inlet is respectively equipped with the side wall of two side pipes and is connected with two water inlet pipes, the design not only causes two
Water inlet pipe can carry out flexible and stable rotary luffing in the presence of rotary flange, and two water inlet pipes are connected into two
In the side wall of individual side pipe, be advantageous to improve the stability of pipeline upset.The utility model is designed reasonably, complete vehicle quality distribution are closed
Reason, balance are good, and draining radius, operation vertical height are big, and pipeline rotation commutation is flexible, stationarity is good, can be respectively to set
It is standby that sufficient power support is provided.
Brief description of the drawings
The utility model is further elaborated in conjunction with accompanying drawing：
Fig. 1 is the schematic front view of the utility model huge discharge drainage car；
Fig. 2 is the schematic top plan view of the utility model huge discharge drainage car；
Fig. 3 is the use state diagram of the utility model huge discharge drainage car；
Fig. 4 is the schematic front view of the utility model pipeline rotary reversing device；
Fig. 5 is the schematic top plan view of the utility model pipeline rotary reversing device；
Fig. 6 is the hydraulic power system schematic diagram driven by engine in situ of the utility model huge discharge drainage car；
Fig. 7 is the hydraulic power system schematic diagram driven by assistant engine of the utility model huge discharge drainage car.
Embodiment
As shown in one of Fig. 1-7, huge discharge drainage car of the present utility model, sent out by driver's cabin 11, automobile chassis 12, chassis
Motivation 13, assistant engine 51, hydraulic oil container 4, rotating disk 21, pipeline rotary reversing device 3, outlet pipe 22, drinking-water pipe 23 and two
Water inlet pipe 24 forms, and the assistant engine 51 and hydraulic oil container 4 are installed in automobile chassis 12 close to one end of driver's cabin 11, institute
State rotating disk 21 and be rotatably arranged on the other end of automobile chassis 12, and by hydraulic motor（Not shown in figure）Driving rotates horizontally,
The pipeline rotary reversing device 3 is arranged on rotating disk 21 and drives rotation by rotating disk 21, and the outlet pipe 22 is revolved by pipeline
Turn reversing arrangement 3 to connect with two water inlet pipes 24, what described two one end of water inlet pipe 24 can longitudinally rotate is arranged on pipeline rotation
On reversing arrangement 3, two other ends of water inlet pipe 24 are rotatablely connected by rotating section header 25 with the one end of drinking-water pipe 23, and drinking-water pipe 23 is another
One end is provided with immersible pump 26 and is used to draw water.
The pipeline rotary reversing device 3 includes T-shaped three-way pipe 31 and two side pipes 32, and the T-shaped three-way pipe 31 is by horizontal stroke
Pipe 311 and formed with the vertical tube 312 of the middle part vertical connection of transverse tube 311, the middle part of vertical tube 312 fixation is located in rotating disk 21
And rotation is driven by rotating disk 21, the bottom of vertical tube 312 is rotatablely connected with the one end of outlet pipe 22, and the both ends of transverse tube 311 pass through respectively
Rotary flange 33 and two one end of side pipe 32 are rotatablely connected, and two other ends of side pipe 32 are closed, in the side wall of two side pipes 32
Water inlet is respectively equipped with to connect with two one end of water inlet pipe 24.
The outlet pipe 22 is provided with snap joint at least provided with a delivery port 221, water outlet.The design greatly improves
The convenience of water outlet connection and flexibility.
The outlet pipe 22 is provided with three delivery ports 221, and one of delivery port is arranged on the other end of automobile chassis 12
End face, two other delivery port are separately positioned on the other end both sides of automobile chassis 12.
Described two other ends of side pipe 32 are closed by detachable end 34.The design makes it can opening end as needed
The draining of lid 34.
The vertical tube 312 is coaxially disposed with rotating disk 21；It is provided between described rotating disk 21 and water inlet pipe 24 one end and is used to drive
The first hydraulic jack 27 that water inlet pipe 24 longitudinally rotates around rotary flange 33, between the other end of water inlet pipe 24 and the one end of drinking-water pipe 23
Provided with the second hydraulic jack 28 for driving drinking-water pipe 23 longitudinally to be rotated around rotation section header 25.The design can improve pipeline rotation
Turn, the stationarity of upset commutation, and enable drinking-water pipe 23 longitudinally flexible in the driving lower edge of hydraulic jack with immersible pump 26
Rotary luffing.
The both sides of automobile chassis 12 are equipped with several telescopic support legs 14, if several telescopic support legs 14 respectively by
Dry support oil cylinder driving is flexible.
The automobile chassis 12 is provided with several moveable portable liquid pressure water pumps 52.
As shown in fig. 6, gearbox one end of the automobile chassis 12 is provided with the first plunger pump and the first power takeoff, described
One plunger pump is connected by the first power takeoff and engine in situ 13, and the first plunger pump oil inlet is connected with hydraulic oil container,
First plunger pump oil-out by banked direction control valves respectively with hydraulic motor, the first hydraulic jack, the second hydraulic jack and several
Support oil cylinder connects, so as to form first set hydraulic power system.
The flywheel upper shell of the automobile chassis 12 is provided with Full-power takeoff and the second plunger pump, the total power power taking
Device input shaft is connected with engine in situ, and Full-power takeoff output shaft is connected by power transmission shaft with the second plunger pump, the
Two plunger pump oil inlets are connected with hydraulic oil container, and the second plunger pump oil-out is connected with pressure regulator valve, pressure regulation valve outlet respectively with vapour
Several hydraulic quick couplings connection that chassis is provided with, several portable liquid pressure water pumps respectively can with hydraulic quick coupling
Dismantling connection, so as to form second set of hydraulic power system.
As shown in fig. 7, the automobile chassis 12 is provided with three-throw ram pump, the assistant engine passes through shaft coupling and the 3rd
Plunger pump is connected, and three-throw ram pump oil inlet is connected with hydraulic oil container, and three-throw ram pump oil-out passes through hydraulic oil pipe and diving
The hydraulic motor connection of pump, so as to form the 3rd set of hydraulic power system.
The utility model uses above technical scheme, breaches tradition and assistant engine 51 is arranged on the device of rotating disk 21
Inertial thinking, assistant engine 51 is arranged on automobile chassis 12 close to one end of driver's cabin 11 so that drainage car complete vehicle quality point
Cloth is more reasonable, can not only reduce the device of rotating disk 21 and rotate energy consumption, and can mitigate the other end quality of automobile chassis 12, keep away
Exempt to cause the problems such as sliding after unstable brake system, easy generation pipeline rotational wobble, climbing, while draining work can also be improved
Industry radius and operation vertical height, so as to expand the job area of drainage car；In addition, engine in situ can not only be led to
Cross Full-power takeoff and drive the second plunger pump, the second plunger pump is driven respectively by pressure regulator valve and several hydraulic quick couplings again
Several dynamic moveable portable liquid pressure water pumps, form a set of independent drainage system, and enable to assistant engine to lead to
Shaft coupling driving three-throw ram pump is crossed, three-throw ram pump drives immersible pump by hydraulic oil pipe, forms another set of independent draining
System, so as to take full advantage of the limited space of drainage car, realize the maximization of displacement.Pipeline rotation of the present utility model is changed
Above technical scheme is used to device 3, the middle part of vertical tube 312 is fixed to be located in rotating disk 21 and drives rotation by rotating disk 21,
The bottom of vertical tube 312 is rotatablely connected with the one end of outlet pipe 22, and the design enables vertical tube 312 to carry out original under the drive of rotating disk 21
Ground rotates, so as to drive the transverse tube 311 being connected with its top, two side pipes 32 being connected with the both ends of transverse tube 311 and two side pipes
32 two connected water inlet pipes 24 can be rotated horizontally smoothly, rocking when effectively reducing pipeline rotation commutation, be improved whole
The stability of car, and the one end of outlet pipe 22 is rotatablely connected with the bottom of vertical tube 312 so that and outlet pipe 22 may be mounted at such as
The relatively low positions such as the lower section of automobile chassis 12, consequently facilitating quick, the convenient connection of the other end of outlet pipe 22；The transverse tube
311 both ends are rotatablely connected by rotary flange 33 and two one end of side pipe 32 respectively, and two other ends of side pipe 32 are closed, two
It is respectively equipped with water inlet in the side wall of side pipe 32 to connect with two water inlet pipes 24, the design not only enables two water inlet pipes 24
Flexible and stable rotary luffing is carried out in the presence of rotary flange 33, and two water inlet pipes 24 are connected to two side pipes
In 32 side wall, be advantageous to improve the stability of pipeline upset.
Above description should not have any restriction to the scope of protection of the utility model.
Claims (10)
- A kind of 1. huge discharge drainage car, by driver's cabin, automobile chassis, engine in situ, assistant engine, hydraulic oil container, rotating disk, pipe Road rotary reversing device, outlet pipe, drinking-water pipe and two water inlet pipe compositions, it is characterised in that：The assistant engine and hydraulic oil Case is installed in automobile chassis close to one end of driver's cabin, and the rotating disk is rotatably arranged on the automobile chassis other end, and by Fluid motor-driven rotates horizontally, and the pipeline rotary reversing device is arranged on rotating disk and rotated by driven by rotary disc, it is described go out Water pipe is connected by pipeline rotary reversing device with two water inlet pipes, and what described two water inlet pipe one end can longitudinally rotate is arranged on On pipeline rotary reversing device, two water inlet pipe other ends are rotatablely connected by rotating section header with drinking-water pipe one end, and drinking-water pipe is another One end is provided with immersible pump and is used to draw water.
- A kind of 2. huge discharge drainage car according to claim 1, it is characterised in that：The pipeline rotary reversing device includes T-shaped three-way pipe and two side pipes, the T-shaped three-way pipe is formed by transverse tube and with the vertical tube of vertical connection in the middle part of transverse tube, described Riser middle, which is fixed, to be located in rotating disk and is rotated by driven by rotary disc, and vertical tube bottom is rotatablely connected with outlet pipe, the transverse tube two End is rotatablely connected by rotary flange and two side pipe one end respectively, and two side pipe other ends are closed, the side wall of two side pipes On be respectively equipped with water inlet and connected with two water inlet pipe one end.
- A kind of 3. huge discharge drainage car according to claim 2, it is characterised in that：The outlet pipe goes out at least provided with one The mouth of a river, water outlet are provided with snap joint.
- A kind of 4. huge discharge drainage car according to claim 2, it is characterised in that：Described two side pipe other ends are by can The end cap closing of dismounting.
- A kind of 5. huge discharge drainage car according to claim 2, it is characterised in that：The vertical tube is coaxially disposed with rotating disk； It is provided between described rotating disk and water inlet pipe one end and is used to drive the first hydraulic jack that water inlet pipe longitudinally rotates around rotary flange, is entered The second hydraulic jack for being used for driving drinking-water pipe longitudinally to be rotated around rotation section header is provided between the water pipe other end and drinking-water pipe one end.
- A kind of 6. huge discharge drainage car according to claim 5, it is characterised in that：If the automobile chassis both sides are equipped with Dry telescopic support legs, several telescopic support legs are driven flexible by several support oil cylinders respectively.
- A kind of 7. huge discharge drainage car according to claim 6, it is characterised in that：Gearbox one end of the automobile chassis Provided with the first plunger pump and the first power takeoff, first plunger pump is connected by the first power takeoff and engine in situ, First plunger pump oil inlet is connected with hydraulic oil container, the first plunger pump oil-out by banked direction control valves respectively with hydraulic motor, first Hydraulic jack, the second hydraulic jack and the connection of several support oil cylinders.
- A kind of 8. huge discharge drainage car according to claim 1, it is characterised in that：The flywheel upper shell of the automobile chassis Provided with Full-power takeoff and the second plunger pump, the Full-power takeoff input shaft is connected with engine in situ, Quan Gong Rate power takeoff output shaft is connected by power transmission shaft with the second plunger pump, and the second plunger pump oil inlet is connected with hydraulic oil container, and second Plunger pump oil-out is connected with pressure regulator valve, and several hydraulic quick couplings that pressure regulation valve outlet is provided with automobile chassis respectively connect Connect.
- A kind of 9. huge discharge drainage car according to claim 8, it is characterised in that：The automobile chassis is provided with removable Several portable liquid pressure water pumps, several portable liquid pressure water pumps are detachably connected with hydraulic quick coupling respectively.
- A kind of 10. huge discharge drainage car according to claim 1, it is characterised in that：The automobile chassis is provided with the 3rd Plunger pump, the assistant engine are connected by shaft coupling with three-throw ram pump, and three-throw ram pump oil inlet is connected with hydraulic oil container, Three-throw ram pump oil-out is connected by the hydraulic motor of hydraulic oil pipe and immersible pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454933.9U CN206781601U (en) | 2016-12-28 | 2016-12-28 | A kind of huge discharge drainage car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454933.9U CN206781601U (en) | 2016-12-28 | 2016-12-28 | A kind of huge discharge drainage car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206781601U true CN206781601U (en) | 2017-12-22 |
Family
ID=60703303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621454933.9U Active CN206781601U (en) | 2016-12-28 | 2016-12-28 | A kind of huge discharge drainage car |
Country Status (1)
| Country | Link |
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| CN (1) | CN206781601U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749937A (en) * | 2018-06-29 | 2018-11-06 | 福建侨龙应急装备有限公司 | A kind of single lap crawler type drainage car |
| CN110859119A (en) * | 2019-12-09 | 2020-03-06 | 滨州市农业机械化科学研究所 | Irrigation and drainage equipment and control method thereof |
-
2016
- 2016-12-28 CN CN201621454933.9U patent/CN206781601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108749937A (en) * | 2018-06-29 | 2018-11-06 | 福建侨龙应急装备有限公司 | A kind of single lap crawler type drainage car |
| CN110859119A (en) * | 2019-12-09 | 2020-03-06 | 滨州市农业机械化科学研究所 | Irrigation and drainage equipment and control method thereof |
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